TY  - BOOK
T1  - First international symposium on volcanic ash and aviation safety :Program and abstracts : Seattle, Washington, July 8-12, 1991 /
DA  - 1991.
CY  - [Denver, Colo. :
AU  - Casadevall, Thomas J.
VL  - 1065
CN  - QE75
CN  - QE461
CN  - QE75
PB  - U.S. Geological Survey, Books and Open-File Reports Section,
PP  - [Denver, Colo. :
PY  - 1991.
N1  - Shipping list no.: 91-465-P.
ID  - 134325
KW  - Volcanic ash, tuff, etc.
KW  - Aeronautics
TI  - First international symposium on volcanic ash and aviation safety :Program and abstracts : Seattle, Washington, July 8-12, 1991 /
LK  - http://purl.access.gpo.gov/GPO/LPS101079
UR  - http://purl.access.gpo.gov/GPO/LPS101079
ER  -